:root{font-family:system-ui,sans-serif;color:#182333;background:#f3f6fa}*{box-sizing:border-box}body{margin:0;padding-bottom:env(safe-area-inset-bottom)}header{background:#13243a;color:white;padding:calc(18px + env(safe-area-inset-top)) 20px 12px;overflow-wrap:anywhere}header p{margin-bottom:0}main{max-width:760px;margin:auto;padding:20px}h1{font-size:1.5rem}p{line-height:1.65}label{display:block;margin:20px 0}button,select,input[type=file]{font:inherit;max-width:100%}button{padding:13px 18px;background:#164d79;color:white;border:0;border-radius:7px;margin:6px 8px 6px 0}button:disabled{background:#687787;opacity:.65}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.8rem}#offline,#stage{padding:12px;border:1px solid #7a8fa4;border-radius:6px}#result{font-weight:700}input[type=checkbox]{width:20px;height:20px;vertical-align:middle}